UnratedFix available
freerdp: Fix of CVE-2026-55193
Type: advisorySources: OSV
- CVE-2026-55193: fix heap buffer overflow in the TS Gateway RPC client; ensure remaining capacity in rpc_channel_read and reject bind_ack fragment sizes above 0x0FF8
- Products
- freerdp, freerdp-devel, freerdp-libs, libwinpr, libwinpr-devel
- Affected versions
- Not specified
- Fixed versions
- 2.1.1-5.0.9.el7_9.tuxcare.els9
- CVEs
- CVE-2026-55193
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 11:38 UTC · Revision 1
Source evidence
- CVE-2026-55193: fix heap buffer overflow in the TS Gateway RPC client; ensure remaining capacity in rpc_channel_read and reject bind_ack fragment sizes above 0x0FF8
osv:CLSA-2026-1792768177
freerdp
Fixed versions: 2.1.1-5.0.9.el7_9.tuxcare.els9
freerdp-devel
Fixed versions: 2.1.1-5.0.9.el7_9.tuxcare.els9
freerdp-libs
Fixed versions: 2.1.1-5.0.9.el7_9.tuxcare.els9
libwinpr
Fixed versions: 2.1.1-5.0.9.el7_9.tuxcare.els9
libwinpr-devel
Fixed versions: 2.1.1-5.0.9.el7_9.tuxcare.els9
Complete source record
{
"id": "e00a16a97a8b300cd111023f936b65ddf8fbead58148635c8c2a74376995bb64",
"url": "https://osv.dev/vulnerability/CLSA-2026-1792768177",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "freerdp: Fix of CVE-2026-55193",
"summary": "- CVE-2026-55193: fix heap buffer overflow in the TS Gateway RPC client; ensure remaining capacity in rpc_channel_read and reject bind_ack fragment sizes above 0x0FF8",
"evidence": "osv:CLSA-2026-1792768177",
"products": [
{
"name": {
"value": "freerdp",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "2.1.1-5.0.9.el7_9.tuxcare.els9",
"evidence": "/affected/0/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "freerdp-devel",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "2.1.1-5.0.9.el7_9.tuxcare.els9",
"evidence": "/affected/1/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "freerdp-libs",
"evidence": "/affected/2/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "2.1.1-5.0.9.el7_9.tuxcare.els9",
"evidence": "/affected/2/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "libwinpr",
"evidence": "/affected/3/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "2.1.1-5.0.9.el7_9.tuxcare.els9",
"evidence": "/affected/3/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "libwinpr-devel",
"evidence": "/affected/4/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "2.1.1-5.0.9.el7_9.tuxcare.els9",
"evidence": "/affected/4/ranges"
}
],
"affected_versions": []
}
],
"severity": "unknown",
"structured": {
"id": "CLSA-2026-1792768177",
"aliases": [
"CLSA-2026-1792768177"
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "2.1.1-5.0.9.el7_9.tuxcare.els9"
}
]
}
],
"package": {
"name": "freerdp",
"purl": "pkg:rpm/tuxcare/freerdp?distro=rhel-7",
"ecosystem": "TuxCare:RHEL:7"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/rhel7els/CLSA-2026-1792768177.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "2.1.1-5.0.9.el7_9.tuxcare.els9"
}
]
}
],
"package": {
"name": "freerdp-devel",
"purl": "pkg:rpm/tuxcare/freerdp-devel?distro=rhel-7",
"ecosystem": "TuxCare:RHEL:7"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/rhel7els/CLSA-2026-1792768177.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "2.1.1-5.0.9.el7_9.tuxcare.els9"
}
]
}
],
"package": {
"name": "freerdp-libs",
"purl": "pkg:rpm/tuxcare/freerdp-libs?distro=rhel-7",
"ecosystem": "TuxCare:RHEL:7"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/rhel7els/CLSA-2026-1792768177.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "2.1.1-5.0.9.el7_9.tuxcare.els9"
}
]
}
],
"package": {
"name": "libwinpr",
"purl": "pkg:rpm/tuxcare/libwinpr?distro=rhel-7",
"ecosystem": "TuxCare:RHEL:7"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/rhel7els/CLSA-2026-1792768177.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "2.1.1-5.0.9.el7_9.tuxcare.els9"
}
]
}
],
"package": {
"name": "libwinpr-devel",
"purl": "pkg:rpm/tuxcare/libwinpr-devel?distro=rhel-7",
"ecosystem": "TuxCare:RHEL:7"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/rhel7els/CLSA-2026-1792768177.json"
}
}
],
"modified": "2026-10-26T09:32:01.382527228Z",
"provider": "osv",
"upstream": [
"CVE-2026-55193"
],
"references": [
"https://errata.tuxcare.com/els_os/rhel7els/CLSA-2026-1792768177.html",
"https://nvd.nist.gov/vuln/detail/CVE-2026-55193"
]
},
"related_cves": [
{
"value": "CVE-2026-55193",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": null
},
"source_id": "core-osv",
"document_id": 449379,
"published_at": "2026-10-23T15:09:47+00:00"
}